Electric vapor arc-lamp.



E. PODSZUS.

- ELEOTRIO'VAPOB. ARU LAMP. "APPLICATION FILED OUT. 4. 1909.

L1 16,480. Patented Nov. 10, 1914 pro-duo's o '7 Body is. 3y s'ch gas g mow r 'Lemjo m the of "{h poriion of the con be varied. o

body Wall. Experiments have of he iubulmtemperature {be z'eiat i is has been nd, 01' intensity ocr'zzsed near lih i r" A6 soluood, out o1 d! Exam mes oute four;

a. seooorl connection is made between the said heliow Foodies; such oonneocion must ?oe so long an: earl-ow, that fihe vapor can ,ooss therethmugh by reason of ihe re- .:e ofi'ered to such passage. in. Case 1e tubule? bofiy Wiih the hollow Dociies 2 21: 3 3 211151 the connectlon of the latter o. the gas bulb is endangered. In such oases means must/be provlded, whereby the sei connections are coole Tins may be done for example by means of condensed ano veporlziog metai which is deposited near the said connections. in a similar way,

the iemperature in the axis of the cmhe vapor is very high, the anode -33 oe destroyed, unless ii is made s very high fusing point. '0 protect A. anode also in this case con- 3 -1' fog metal may be use.

Y r we the anode can be conform of a tube or of an in- Which the energy of the jet tributed overs large area. the enlarged part of the anode d of different material such f0.- opie as ll'OD. II" the anode made of arm} of a very hlgh fusmg polnt, 1t

caused to glow and to emit rays. sole of a construction of the anode Lo is shown in Fig. In said fig- 0 indicates the anode, which is susfrom an invertei cone 11 that is in anode out of conieo with the Walls of the tube and envelop and is freely accessible to the cathode vapor, which may completely SIUI'OUUd the some. At its upper side the said coneprovfies a receptacle for the vapor condensed, Within ihe chamber of the anode,

the soic condensed metal is vaporthe heat of the anode, latter is -n an airtight manner. (:1 connections and the (10 7 bodi e airtight, so not ss -e from the said 21133 oe disyensed, with.

er ifigh temperatures the connection- Within Ody cmnmuuicaiti w bmfiy and exit I anode, said tubal m ending t hm y, an anode,

up; with said and a; that In fies 1 ture, in

preselgce of mm Witne HEI'JRY Wommmn HAUPT.

.rommad by at body. I u v m 6, mmpny whewni i a 1 the deccmpmaitizm 0'2? 

